Merge pull request #250 from cclib/renovate/actions-checkout-6.x

chore(deps): update actions/checkout action to v6

Author: berquist

.github/workflows/nix.yml

@@ -27,7 +27,7 @@ jobs:
           name: cclib
           authToken: '${{ secrets.CACHIX_AUTH_TOKEN }}'
       # Checkout of the current head in the working dir
-      - uses: actions/checkout@93cb6efe18208431cddfb8368fd83d5badbf9bfd  # v5
+      - uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3  # v6
         with:
           persist-credentials: false
       - name: Check nix flake

.github/workflows/pre-commit.yml

@@ -16,7 +16,7 @@ jobs:
     name: Run pre-commit
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@93cb6efe18208431cddfb8368fd83d5badbf9bfd  # v5
+      - uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3  # v6
         with:
           persist-credentials: false
       - uses: actions/setup-python@e797f83bcb11b83ae66e0230d6156d7c80228e7c  # v6